时效路径对Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金沉淀析出行为的影响
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朱亮 1, 郭明星 1,2( ), 袁波 1, 庄林忠 1,2, 张济山 1,2
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Effect of Ageing Routes on Precipitation Behaviors of Al-0.7Mg-0.5Si-0.2Cu-0.5Zn Alloy
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ZHU Liang 1, GUO Mingxing 1,2( ), YUAN Bo 1, ZHUANG Linzhong 1,2, ZHANG Jishan 1,2
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图6. Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金过时效态的TEM像、HRTEM像及对应的FFT图
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Fig.6. TEM bright field images (a, b), HRTEM images and FFT (insets) (c~f) of precipitates in Al-0.7Mg-0.5Si-0.2Cu-0.5Zn alloys after isothermal ageing to over ageing (a) AQ+over ageing (b) PA+over ageing (c) HRTEM analysis of β′ precipitates in Fig.6a(d) HRTEM analysis of β″ precipitates in Fig.6a (e, f) HRTEM analyses of L and Q′ precipitates in Fig.6b
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